OpenTechnical

OT-2026-000063167

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000063167) never changes.

Identity and time

Publication numberOT-2026-000063167 · never reused
Internal UUID01a0ae8c-94ab-79aa-ae1f-1d6375f3855b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063167
StatusPUBLIC

Content hashes

Canonical textb880ea206d113d1513cbfbb714bfce0b170c11cc8d4b69b7b8c03ca6cf574689
Markdown5a0e368e83374e0a3961b1b94024454562a55dc69008ae41c3c50aff6c0874f1
PDF
Publication page23dd11f9d4d22dbf84ed5d42faa8b2bd64aac9fc2483010aea5f00068b098c56
Manifested1d1ddd1e14cc535ff52af2f70fe36c53270a14fcee5f1eda9201c8def9089d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturerYfaKrQtWLmlxWAl8pGh4Zu7R98rzlwob3x+F+Voo7opg1WFlgybcQyi1uBh276s/Qn1CzmZMl9X0khDF+UrDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:57.445674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063167
observed 23dd11f9d4d22dbf84ed5d42faa8b2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.427360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063167/manifest.json
observed ed1d1ddd1e14cc535ff52af2f70fe36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.408309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063167/publication.md
observed 5a0e368e83374e0a3961b1b940244545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.390677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063167/publication.txt
observed b880ea206d113d1513cbfbb714bfce0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.